Welding and Mechatronics Institute

Teaching, research, and development in Welding Technology: processes, procedures, equipment, and instrumentation

Academic Courses

EMC 410063 - Voltaic Arc Welding Processes I

 

Graduate Program in Mechanical Engineering - POSMEC

Concentration Area(s): Manufacturing Number of Credits: 2 Bimester(s): 3rd
Total Workload: 30 Theoretical: 50% Practical: 50%

Prerequisites

EMC 410032 Fundamentals and Practice of Welding, Brazing, and Thermal Cutting
EMC 410063 Physical Fundamentals and Technological Basis of Arc Welding Processes

Syllabus

The conventional and pulsed MIG/MAG process with various principles and synergistic and adaptive control. Influence of electrode diameter, factors affecting weld geometry. Modern versions of the MIG/MAG welding process in short-circuit metal transfer (STT, CCC, CMT,...) and free-flight (RapidArc, PCS,..). Orbital MIG/MAG welding for root and fill passes. Orbital TIG welding with open and closed chamber.

Program

Reasons for using pulsed MIG/MAG – 2 hours
Fundamentals and calculation of welding variables in pulsed current, practical experiments – 4 hours
Adaptive pulsed system, practical experiments – 4 hours
STT, CCC, and CMT MIG/MAG versions, practical experiments – 6 hours
MIG/MAG version with alternating current, practical experiments – 4 hours
Orbital MIG/MAG welding in root passes, practical experiments – 6 hours
Orbital TIG welding in root passes – 4 hours

Assessment Method

  • Final Exam
  • Intermediate quizzes
  • Practical activity reports

Basic Bibliography

  • LABSOLDA Handouts
  • Soldagem MIG/MAG : melhor entendimento melhor desempenho SCOTTI, Américo; PONOMAREV, Vladimir. 2008. 284 p.
  • Welding Handbook AWS
  • Silva, R. H. G. Soldagem MIG/MAG em Transferência Metálica por Curto-Circuito Controlado Aplicada ao Passe de Raiz, Master's Dissertation, UFSC - 127 f. 2005
  • Marques, C. Prospecções da Natureza Física da Soldagem MIG Automática de Ligas de Alumínio, Master's Dissertation, UFSC - 101 f. 2013
  • Selected articles from scientific journals available at LABSOLDA and on the CAPES portal
  • The Orbital Welding Handbook - Polysoude
  • Manuals of Orbital Welding Equipment present in LABSOLDA's infrastructure